Shares of major semiconductor companies extended a steep sell-off on Tuesday following weak performances in Asia and Europe. In South Korea, SK Hynix plunged nearly 15%, with Samsung Electronics sliding more than 13%, signaling deep pressure on chip manufacturers. The downturn spread across the region as other AI-related firms such as Samsung SDI and LG Innotek also recorded double-digit declines. Japan's leading semiconductor firms like Tokyo Electron and Advantest lost over 10%, while SoftBank Group dropped 4.4%, reflecting the broad impact of concerns weighing on chip stocks.

In the U.S., the decline continued with significant losses for chip giants including Intel, which fell nearly 6%, and AMD, dropping 8%. Memory-focused companies Micron and Seagate each lost over 8%, with Western Digital and Sandisk also suffering sharp declines. Nvidia, however, managed to recover from an early dip and closed roughly flat. The VanEck Semiconductor ETF, an indicator of chip sector performance, dropped more than 2%, adding to losses recorded earlier in the week. The synchronized movement of Asian and American semiconductor stocks underscores the tight linkage between global tech markets, particularly amid the ongoing AI investment cycle.

Market participants pointed to growing uncertainties surrounding the semiconductor sector, especially related to memory chip pricing and the pace of AI-driven demand. Analysts noted that while long-term prospects remain promising, investor sentiment has soured due to reports suggesting a peak in memory prices by next year. The volatility in shares like SK Hynix also reflects broader market dynamics, with leveraged exchange-traded funds potentially amplifying fluctuations. The evolving competitive landscape, including China's reported breakthrough in advanced chipmaking equipment, has added to concerns about the sustainability of current market conditions.

Despite the recent turbulence, industry experts remain cautiously optimistic about the future of semiconductor companies as they continue to benefit from AI advancements and expanding technological needs. The sell-off is viewed by some as a reaction to near-term uncertainties rather than a fundamental shift in growth potential. Analysts like Sundeep Gantori of Standard Chartered argue that multiple players in the chip market will coexist and thrive despite competitive pressures, with the AI investment cycle expected to support demand for cutting-edge semiconductor technologies in the years ahead.